custom 2bar os for 2006 gmc need help.Full details inside

[AllOutPerformance]

Ok ive got a 2006 gmc old body 1500.HAs os 12606807 and there is no custom os for this op system.So i jumped down a year to run a 12592618 were there is a 0521003 2 or 3 bar deal...Problem is no matter what i do it goes into reduced power mode and gives me a list of throttle body codes..I really dont want to do a hack maff 1bar tune on this truck...Any help would be great.

[AllOutPerformance]

Summary
Supported parameters available 322
Validated modules available 7
System readiness test (EPA) Not checked yet
Specifically monitored tests Not checked yet
O2 sensors tests Not checked yet
Diagnostic trouble codes Detected
History freeze frames Not checked yet
Stream-Slow scan mode Supported
Stream-Fast scan mode Supported
Maximum dynamic packets 16

PCM


System Readiness Tests Results


Specifically Monitored Systems Tests Results


Oxygen Sensors Tests Results


Diagnostic Trouble Codes
U0107 "Lost Communication With Throttle Actuator Control Module" EPA ($10) "Powertrain Control Module (PCM)"
P0463 "Fuel Level Sensor 1 Circuit High Voltage" EPA Pending ($10) "Powertrain Control Module (PCM)"
U0107 "Lost Communication With Throttle Actuator Control Module" EPA Pending ($10) "Powertrain Control Module (PCM)"
P0102 "Mass Air Flow (MAF) Sensor Circuit Low" PHC ($10) "Powertrain Control Module (PCM)"
P0463 "Fuel Level Sensor 1 Circuit High Voltage" PC ($10) "Powertrain Control Module (PCM)"
U0107 "Lost Communication With Throttle Actuator Control Module" MPHC ($10) "Powertrain Control Module (PCM)"
C0035 "Left Front Wheel Speed Sensor Circuit" M ($29) "Electronic Brake Control Module (EBCM)"
C0040 "Right Front Wheel Speed Sensor Circuit" M ($29) "Electronic Brake Control Module (EBCM)"
C0240 "Powertrain Control Module (PCM) Traction Control Not Allowed" M ($29) "Electronic Brake Control Module (EBCM)"
C0558 "Calibration Data Not Programmed/Learned" PHC ($29) "Electronic Brake Control Module (EBCM)"
U1016 "Lost Communications With Engine Controller - Device $10" M ($29) "Electronic Brake Control Module (EBCM)"

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this is with the 2618 in no custom os yet.put stock os back in and it runs fine,ive tried to compare all that i can and what works in the factory os has no affect on the 2618 os.

[DURAtotheMAX]

2006+ trucks use the newer style accelerator pedal that only has two potentiometers. Along with the new pedal, 2006-2007 LS1-b trucks also have a unique TAC module to work with the new style pedal.

I would "ASSume" that if you wanted to use the 2005 2-bar OS, you could swap out the pedal for the 2005 and older version (the one with the metal frame, pivoting pedal, and 3 potentiometers) accelerator pedal, and swap TAC modules to a 2003-2005 style....

Ben